Friday's Best Bets on TV

“Meerkat Manor” (8:30 p.m., Animal Planet): Have you been keeping tabs on adorable little furballs of “Meerkat Manor”? Tonight’s new episode brings tension to the Kalahari as Sophie and Simon are ambushed by Maybelline and the Aztecs.

“Sharkville” (10 p.m., National Geographic Channel): Scientists learn new things about great white sharks off the coast of Africa.